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Table 3 Mean and standard deviation of marginal bone loss (mm) calculated on the basis of individual differences in marginal bone height between follow-ups and baseline (T0)

From: Long-term apical bone gain after implant placement combined with internal sinus-floor elevation without graft

Location

Time

n

Mean

SD

Mesial

T1

148

−0.86

1.10

T2

101

−0.81

0.92

T3

94

−0.99

1.15

T4

74

−1.19

1.30

T5

57

−0.97

1.31

T6

66

−1.41

1.33

Distal

T1

148

−0.80

1.06

T2

101

−0.84

1.02

T3

94

−0.84

0.99

T4

74

−0.97

1.18

T5

57

−0.72

0.97

T6

66

−1.19

1.00